GEP20217257B - Duplex stainless steel and use thereof - Google Patents

Duplex stainless steel and use thereof

Info

Publication number
GEP20217257B
GEP20217257B GEAP201614707A GEAP2016014707A GEP20217257B GE P20217257 B GEP20217257 B GE P20217257B GE AP201614707 A GEAP201614707 A GE AP201614707A GE AP2016014707 A GEAP2016014707 A GE AP2016014707A GE P20217257 B GEP20217257 B GE P20217257B
Authority
GE
Georgia
Prior art keywords
stainless steel
duplex stainless
relates
plant
urea production
Prior art date
Application number
GEAP201614707A
Other languages
English (en)
Inventor
B V Stamicarbon
Original Assignee
Stamicarbon
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=53773249&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=GEP20217257(B) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Stamicarbon filed Critical Stamicarbon
Publication of GEP20217257B publication Critical patent/GEP20217257B/en

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
    • C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
    • C22C38/58—Ferrous alloys, e.g. steel alloys containing chromium with nickel with more than 1.5% by weight of manganese
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D3/00—Distillation or related exchange processes in which liquids are contacted with gaseous media, e.g. stripping
    • B01D3/34—Distillation or related exchange processes in which liquids are contacted with gaseous media, e.g. stripping with one or more auxiliary substances
    • B01D3/343—Distillation or related exchange processes in which liquids are contacted with gaseous media, e.g. stripping with one or more auxiliary substances the substance being a gas
    • B01D3/346—Distillation or related exchange processes in which liquids are contacted with gaseous media, e.g. stripping with one or more auxiliary substances the substance being a gas the gas being used for removing vapours, e.g. transport gas
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D1/00—Evaporating
    • B01D1/06—Evaporators with vertical tubes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D19/00—Degasification of liquids
    • B01D19/0005—Degasification of liquids with one or more auxiliary substances
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D3/00—Distillation or related exchange processes in which liquids are contacted with gaseous media, e.g. stripping
    • B01D3/14—Fractional distillation or use of a fractionation or rectification column
    • B01D3/32—Other features of fractionating columns ; Constructional details of fractionating columns not provided for in groups B01D3/16 - B01D3/30
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J19/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J19/02—Apparatus characterised by being constructed of material selected for its chemically-resistant properties
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C273/00—Preparation of urea or its derivatives, i.e. compounds containing any of the groups, the nitrogen atoms not being part of nitro or nitroso groups
    • C07C273/02—Preparation of urea or its derivatives, i.e. compounds containing any of the groups, the nitrogen atoms not being part of nitro or nitroso groups of urea, its salts, complexes or addition compounds
    • C07C273/04—Preparation of urea or its derivatives, i.e. compounds containing any of the groups, the nitrogen atoms not being part of nitro or nitroso groups of urea, its salts, complexes or addition compounds from carbon dioxide and ammonia
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D6/00—Heat treatment of ferrous alloys
    • C21D6/004—Heat treatment of ferrous alloys containing Cr and Ni
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D8/00—Modifying the physical properties by deformation combined with, or followed by, heat treatment
    • C21D8/005—Modifying the physical properties by deformation combined with, or followed by, heat treatment of ferrous alloys
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
    • C21D9/08—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for tubular bodies or pipes
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C1/00—Making non-ferrous alloys
    • C22C1/02—Making non-ferrous alloys by melting
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C33/00—Making ferrous alloys
    • C22C33/04—Making ferrous alloys by melting
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/001—Ferrous alloys, e.g. steel alloys containing N
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/004—Very low carbon steels, i.e. having a carbon content of less than 0,01%
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/02—Ferrous alloys, e.g. steel alloys containing silicon
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/04—Ferrous alloys, e.g. steel alloys containing manganese
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
    • C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
    • C22C38/42—Ferrous alloys, e.g. steel alloys containing chromium with nickel with copper
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
    • C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
    • C22C38/44—Ferrous alloys, e.g. steel alloys containing chromium with nickel with molybdenum or tungsten
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F21/00—Constructions of heat-exchange apparatus characterised by the selection of particular materials
    • F28F21/08—Constructions of heat-exchange apparatus characterised by the selection of particular materials of metal
    • F28F21/081—Heat exchange elements made from metals or metal alloys
    • F28F21/082—Heat exchange elements made from metals or metal alloys from steel or ferrous alloys
    • F28F21/083—Heat exchange elements made from metals or metal alloys from steel or ferrous alloys from stainless steel
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2219/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J2219/02—Apparatus characterised by their chemically-resistant properties
    • B01J2219/025—Apparatus characterised by their chemically-resistant properties characterised by the construction materials of the reactor vessel proper
    • B01J2219/0277—Metal based
    • B01J2219/0286—Steel
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D2211/00—Microstructure comprising significant phases
    • C21D2211/001—Austenite
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D2211/00—Microstructure comprising significant phases
    • C21D2211/005—Ferrite
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P10/00—Technologies related to metal processing
    • Y02P10/10—Reduction of greenhouse gas [GHG] emissions
    • Y02P10/122—Reduction of greenhouse gas [GHG] emissions by capturing or storing CO2
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P20/00—Technologies relating to chemical industry
    • Y02P20/141—Feedstock

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Organic Chemistry (AREA)
  • Mechanical Engineering (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Thermal Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • General Engineering & Computer Science (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Preventing Corrosion Or Incrustation Of Metals (AREA)
  • Solid-Phase Diffusion Into Metallic Material Surfaces (AREA)
  • Control Of Motors That Do Not Use Commutators (AREA)
  • Physical Or Chemical Processes And Apparatus (AREA)
GEAP201614707A 2015-07-20 2016-07-20 Duplex stainless steel and use thereof GEP20217257B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP15177441 2015-07-20

Publications (1)

Publication Number Publication Date
GEP20217257B true GEP20217257B (en) 2021-05-25

Family

ID=53773249

Family Applications (1)

Application Number Title Priority Date Filing Date
GEAP201614707A GEP20217257B (en) 2015-07-20 2016-07-20 Duplex stainless steel and use thereof

Country Status (14)

Country Link
US (2) US20180195158A1 (uk)
EP (1) EP3325676B1 (uk)
JP (1) JP6629422B2 (uk)
CN (2) CN116083817A (uk)
AR (2) AR105403A1 (uk)
AU (1) AU2016295940B2 (uk)
CA (1) CA2992973C (uk)
EA (1) EA036426B1 (uk)
GE (1) GEP20217257B (uk)
HR (1) HRP20200078T1 (uk)
HU (1) HUE048545T2 (uk)
PL (1) PL3325676T3 (uk)
UA (2) UA123771C2 (uk)
WO (1) WO2017014632A1 (uk)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA2991658C (en) * 2015-07-20 2023-12-19 Sandvik Intellectual Property Ab Duplex stainless steel and formed object thereof
EP3700888B1 (en) 2017-10-27 2021-12-22 Stamicarbon B.V. High pressure carbamate condenser
EP3707121B1 (en) 2017-11-10 2021-04-21 Stamicarbon B.V. Urea production process and plant
EP3502293B1 (en) 2017-12-22 2020-05-13 Saipem S.p.A. Uses of duplex stainless steels
JP7209874B2 (ja) 2019-06-07 2023-01-20 スタミカーボン・ベー・フェー ストリッパを備えた尿素プラント及びストリッピング方法
EP3987074A1 (en) * 2019-06-24 2022-04-27 AB Sandvik Materials Technology A laying head pipe
JP2022539597A (ja) * 2019-07-05 2022-09-12 スタミカーボン・ベー・フェー 尿素プラントのフェライト鋼部品
JP7410337B2 (ja) 2020-06-23 2024-01-09 スタミカーボン・ベー・フェー サーマルストリッピング尿素プラント及びプロセス
CN111926257A (zh) * 2020-08-13 2020-11-13 长兴云腾新能源科技有限公司 一种耐腐蚀的不锈钢管及其制备方法
US20240092730A1 (en) 2021-12-20 2024-03-21 Stamicarbon B.V. Thermal stripping urea production
WO2023158303A1 (en) 2022-02-15 2023-08-24 Stamicarbon B.V. Stripping-type urea plant for def production
CN118742537A (zh) 2022-02-21 2024-10-01 斯塔米卡邦有限公司 低缩二脲的尿素生产
EP4436703A1 (en) 2022-03-28 2024-10-02 Stamicarbon B.V. Urea plant with valve; urea production process; use and method
US20240261751A1 (en) 2022-05-13 2024-08-08 Stamicarbon B.V. High pressure carbamate condensation apparatus

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4834649B1 (uk) * 1969-02-28 1973-10-23
JPS5914099B2 (ja) * 1980-04-04 1984-04-03 日本冶金工業株式会社 熱間加工性および耐局部腐食性に優れる二相ステンレス鋼
CA1242095A (en) * 1984-02-07 1988-09-20 Akira Yoshitake Ferritic-austenitic duplex stainless steel
SE501321C2 (sv) * 1993-06-21 1995-01-16 Sandvik Ab Ferrit-austenitiskt rostfritt stål samt användning av stålet
NL1014512C2 (nl) * 2000-02-28 2001-08-29 Dsm Nv Methode voor het lassen van duplex staal.
JP3716372B2 (ja) * 2002-02-05 2005-11-16 住友金属工業株式会社 尿素製造プラント用二相ステンレス鋼、溶接材料、尿素製造プラントおよびその機器
AR038192A1 (es) * 2002-02-05 2005-01-05 Toyo Engineering Corp Acero inoxidable duplex para plantas de produccion de urea, planta de produccion de urea y material de soldadura fabricado con dicho acero inoxidable duplex.
SE528782C2 (sv) 2004-11-04 2007-02-13 Sandvik Intellectual Property Duplext rostfritt stål med hög sträckgräns, artiklar och användning av stålet
EP1688511A1 (en) * 2005-02-02 2006-08-09 DSM IP Assets B.V. Process for the production of urea in a conventional urea plant
EP2801396A1 (en) 2013-05-10 2014-11-12 Casale Sa Use of duplex stainless steel in an ammonia-stripping of urea plants
US20160319405A1 (en) * 2013-12-27 2016-11-03 Sandvik Intellectual Property Ab Corrosion resistant duplex steel alloy, objects made thereof, and method of making the alloy
EP3087212B1 (en) * 2013-12-27 2018-10-10 Stamicarbon B.V. Use of a corrosion resistant duplex steel alloy for the production of a component for a urea manufacturing plant
CA2991658C (en) * 2015-07-20 2023-12-19 Sandvik Intellectual Property Ab Duplex stainless steel and formed object thereof

Also Published As

Publication number Publication date
US20180195158A1 (en) 2018-07-12
HUE048545T2 (hu) 2020-07-28
HRP20200078T1 (hr) 2020-04-03
AR105403A1 (es) 2017-09-27
US20240035135A1 (en) 2024-02-01
UA124949C2 (uk) 2021-12-15
EP3325676B1 (en) 2019-12-18
PL3325676T3 (pl) 2020-04-30
CN107922985A (zh) 2018-04-17
EP3325676A1 (en) 2018-05-30
AU2016295940B2 (en) 2019-11-14
CA2992973C (en) 2020-04-14
JP6629422B2 (ja) 2020-01-15
EA036426B1 (ru) 2020-11-10
JP2018529020A (ja) 2018-10-04
EA201890349A1 (ru) 2018-05-31
CA2992973A1 (en) 2017-01-26
WO2017014632A1 (en) 2017-01-26
AR121250A2 (es) 2022-05-04
AU2016295940A1 (en) 2018-02-15
UA123771C2 (uk) 2021-06-02
CN116083817A (zh) 2023-05-09

Similar Documents

Publication Publication Date Title
GEP20217257B (en) Duplex stainless steel and use thereof
MX2022008433A (es) Plantas que muestran una reduccion en el cambio de coloracion en la superficie inducido por heridas.
MX2020010841A (es) Composicion detergente.
MY192848A (en) Compositions and methods for the treatment of hemoglobinopathies
SA517381769B1 (ar) توليد حمض بيروكسي فورميك من خلال فورمات كحول بولي هيدريك
MX2019006609A (es) Polvo de acero inoxidable para producir acero inoxidable sinterizado duplex.
EP3358030A4 (en) AUSTENITIC STAINLESS STEEL AND PROCESS FOR PRODUCING THE SAME
MX2017002362A (es) Kit para marcaje radiactivo con galio 68 (68ga) que comprende un inhibidor de metal.
MX2016006178A (es) Composiciones fertilizantes y metodos para hacer y utilizar las mismas.
AP2016009298A0 (en) Corrosion resistant duplex steel alloy, objects made thereof, and method of making the alloy
SG11201707814WA (en) Austenitic stainless steel sheet, cover member and production method for austenitic stainless steel sheet
PH12016501191A1 (en) Ras opposite (rop) and related nucleic acid molecules that confer resistance to coleopteran and/or hemipteran pests
NZ725789A (en) Dre4 nucleic acid molecules that confer resistance to coleopteran pests
EP3683324A4 (en) AUSTENITIC STAINLESS STEEL AND METHOD FOR MANUFACTURING THEREOF
PL3314032T3 (pl) Rura stalowa odporna na korozję, sposób wytwarzania wspomnianej rury stalowej i jej zastosowanie
MX2019013272A (es) Acero de desgaste o acero de seguridad de tres capas, procedimiento para la fabricacion de un componente y uso.
MY176057A (en) Use of neutralizing agent in olefin or styrene production
EA033390B1 (ru) Способ и композиции для удаления ржавчины и окалины со стали и для регенерации раствора для травления в процессе горячего цинкования
MY183570A (en) Method for producing high-strength duplex stainless steel
MX336369B (es) Uso de acido elagico como agentes anticaspa.
GB2529078A (en) Henna corrosion inhibitor for acid in a well
MX2018014323A (es) Metodo para la fabricacion de una lamina de acero twip que tiene una matriz austenitica.
EP3693487A4 (en) AUSTENITE BASED STAINLESS STEEL
SA518391626B1 (ar) تركيبة ضد الترسبات وضد الأوساخ
EP3699312A4 (en) FERRITE-BASED STAINLESS STEEL WITH EXCELLENT IMPACT TENACITY, AND ITS PRODUCTION PROCESS